From f05dd7ada5627f0e51bef3f25190a77b96e0736e Mon Sep 17 00:00:00 2001
From: webwarrior <reg@webwarrior.ws>
Date: Wed, 21 Aug 2024 13:57:17 +0200
Subject: [PATCH] Backend/Ether: refactor null checks

Make all null checks use isNull function as it's the most
reliable way to test if value is null.
---
 src/GWallet.Backend/Ether/EtherServer.fs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GWallet.Backend/Ether/EtherServer.fs b/src/GWallet.Backend/Ether/EtherServer.fs
index 7a7487ade..2263b08f7 100644
--- a/src/GWallet.Backend/Ether/EtherServer.fs
+++ b/src/GWallet.Backend/Ether/EtherServer.fs
@@ -549,7 +549,7 @@ module Server =
                                 let task = web3.Eth.GetBalance.SendRequestAsync (address, null, cancelToken)
                                 return! Async.AwaitTask task
                             }
-                    if Object.ReferenceEquals(balance, null) then
+                    if isNull balance then
                         raise <| 
                             AbnormalNullValueInJsonResponseException 
                                 AbnormalNullValueInJsonResponseException.BalanceJobErrorMessage